drm/gem: Remove trailing whitespace

Remove two trailing spaces.
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171026165731.5793-4-noralf@tronnes.org

drivers/gpu/drm/drm_gem.c

@@ -348,7 +348,7 @@ EXPORT_SYMBOL_GPL(drm_gem_dumb_map_offset);
  * @file: drm file-private structure to remove the dumb handle from
  * @dev: corresponding drm_device
  * @handle: the dumb handle to remove
- * 
+ *
  * This implements the &drm_driver.dumb_destroy kms driver callback for drivers
  * which use gem to manage their backing storage.
  */
@@ -365,7 +365,7 @@ EXPORT_SYMBOL(drm_gem_dumb_destroy);
  * @file_priv: drm file-private structure to register the handle for
  * @obj: object to register
  * @handlep: pointer to return the created handle to the caller
- * 
+ *
  * This expects the &drm_device.object_name_lock to be held already and will
  * drop it before returning. Used to avoid races in establishing new handles
  * when importing an object from either an flink name or a dma-buf.